buildtools/Cmake/Flags.cmake

   1 set(warnCFLAGS "")
   2 set(optCFLAGS "")
   3
   4 if(NOT __VISUALC__ AND NOT __BORLANDC__)
   5   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-g3")
   6   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}-g3")
   7 else()
   8   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}/Zi")
   9   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}/Zi")
  10 endif()
  11
  12 if(enable_compile_warnings)
  13   set(warnCFLAGS "-fno-common -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wclobbered -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror -Wno-error=clobbered ")
  14   if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
  15     set(warnCFLAGS "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
  16   endif()
  17   if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
  18     string(REPLACE "-Wclobbered " "" warnCFLAGS "${warnCFLAGS}")
  19   endif()
  20 endif()
  21
  22 if(enable_compile_optimizations)
  23   set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
  24   if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
  25     set(optCFLAGS "${optCFLAGS}-flto ")
  26   endif()
  27 else()
  28   set(optCFLAGS "-O0 ")
  29 endif()
  30
  31 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
  32   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
  33   set(optCFLAGS "-O0 ")
  34 endif()
  35
  36 if(NOT enable_debug)
  37   set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
  38 endif()
  39
  40 if(enable_msg_deprecated)
  41   set(CMAKE_C_FLAGS "-DMSG_USE_DEPRECATED ${CMAKE_C_FLAGS}")
  42 endif()
  43
  44 set(CMAKE_C_FLAGS "${optCFLAGS}${warnCFLAGS}${CMAKE_C_FLAGS}")
  45
  46 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${optCFLAGS}")
  47
  48 # Try to make Mac a bit more complient to open source standards
  49 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
  50   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
  51 endif()
  52
  53 set(TESH_OPTION "")
  54 if(enable_coverage)
  55   find_program(GCOV_PATH gcov)
  56   if(GCOV_PATH)
  57     SET(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
  58     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOVERAGE")
  59     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
  60     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fprofile-arcs -ftest-coverage")
  61     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
  62     set(TESH_OPTION --enable-coverage)
  63     add_definitions(-fprofile-arcs -ftest-coverage)
  64   endif()
  65 endif()
  66
  67 if(NOT $ENV{CFLAGS} STREQUAL "")
  68   message(STATUS "Add CFLAGS: \"$ENV{CFLAGS}\" to CMAKE_C_FLAGS")
  69   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
  70 endif()
  71
  72 if(NOT $ENV{LDFLAGS} STREQUAL "")
  73   message(STATUS "Add LDFLAGS: \"$ENV{LDFLAGS}\" to CMAKE_C_LINK_FLAGS")
  74   set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} $ENV{LDFLAGS}")
  75 endif()
  76
  77 if(enable_model-checking AND enable_compile_optimizations)
  78   message(WARNING "Sorry for now GCC optimizations does not work with model checking.\nPlease turn off optimizations with command:\ncmake -Denable_compile_optimizations=off. ")
  79 endif()